Final answer:
The statement is false; alignment patterns are not in all QR Codes. They are absent in the smallest versions (1 to 6) and become necessary only from Version 7 onwards to help scanners read larger QR Codes accurately.
Step-by-step explanation:
The statement that alignment patterns are in all QR Codes is false. While alignment patterns, which are smaller squares that help scanners determine the orientation and scaling of the QR Code, do appear in many QR Codes, they are not present in the smallest QR Code versions (Versions 1 to 6). These alignment patterns become necessary as the amount of data and the size of the QR Code increase, starting from Version 7 onwards.
For example, a Version 1 QR Code, which consists of 21x21 modules, does not require an alignment pattern because of its small size. However, larger QR Codes, like a Version 40 QR Code with 177x177 modules, will have multiple alignment patterns strategically placed to ensure proper readability.
The primary purpose of these alignment patterns is to prevent distortion and help with the accuracy of scanning. They act as guides for the QR Code scanners, ensuring that the data encoded in the QR Code can be accurately interpreted, regardless of the angle or orientation in which the code is scanned.